routeloads.
Route profile ONT-SEA

ONT ↔ SEA loads

How full flights are between Ontario and Seattle, both directions combined, using the latest 12 months of DOT T-100 data ending Jul 2026.

LATEST 12-MONTH WINDOW

ONT to SEA averages 82% full

Ontario and Seattle: 82% average load factor, 541k passengers, and 661k seats across both directions in the latest 12-month BTS window.

Load factor
82%
Passengers
541k
Seats
661k

Monthly trend

MonthLoadPassengers
Aug 202588%65k
Sep 202586%49k
Oct 202585%42k
Nov 202580%46k
Dec 202588%46k
Jan 202681%35k
Feb 202686%30k
Mar 202684%36k
Apr 202678%37k
May 202675%47k
Jun 202677%52k
Jul 202676%56k